PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16170026-4 2005 We show that PX-866, a PI3-K inhibitor with selectivity for p110alpha, potentiates the antitumor activity of gefitinib against even large A-549 NSCL xenografts giving complete tumor growth control in the early stages of treatment. Gefitinib 109-118 nescient helix-loop-helix 1 Homo sapiens 144-148